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Finding the Fourth Proportional to 159,464.06, 220,060.41 and 87,844.04

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Solution

The fourth proportional to 159,464.06, 220,060.41 and 87,844.04 is: 121,224.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,464.06 : 220,060.41 = 87,844.04 : x
  2. Step 2: Convert to fraction form
    159,464.06/220,060.41 = 87,844.04/x
  3. Step 3: Cross multiply
    159,464.06x = 220,060.41 × 87,844.04
  4. Step 4: Simplify right side
    159,464.06x = 19,330,995,458.46
  5. Step 5: Solve for x
    x = 19,330,995,458.46/159,464.06
  6. Step 6: Final answer
    x = 121,224.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.